Objects in the image:
category: knife
category: person
category: person
category: pizza
category: pizza
category: person
category: pizza

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it food?
a: Yes
q: is it in the plate?
a: No
q: is it the pizza to the left in the picture?
a: Yes